package com.supreme.securityserver.config;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.supreme.commonentity.mysql.primary.SysPermit;
import com.supreme.commonmybatis.service.quick.PermitOrmService;
import com.supreme.securityserver.security.*;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.web.filter.CorsFilter;

import javax.annotation.Resource;
import java.util.List;

@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
@ConditionalOnProperty(prefix = "server-config", name = "securityEnable", havingValue = "true")
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    /**
     * 自定义用户认证逻辑
     */
    @Resource
    private UserAuthService userAuthService;

    /**
     * 退出处理类
     */
    @Resource
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token认证过滤器
     */
    @Resource
    private JWTAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 跨域过滤器
     */
    @Resource
    private CorsFilter corsFilter;

    @Resource
    private PermitOrmService permitOrmService;

    /**
     * authorizeRequests   |   过滤请求
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
     * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
     * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
     * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry urlRegistry = httpSecurity
                .csrf().disable()
                .headers().cacheControl().disable().and()
                .headers().frameOptions().disable().and()
                .authorizeRequests()
                .antMatchers("/test/**", "/druid/**", "/auth/register", "/auth/login").permitAll();

        List<SysPermit> permitList = permitOrmService.list(Wrappers.lambdaQuery(SysPermit.class));
        permitList.forEach(sysPermit -> urlRegistry.antMatchers(sysPermit.getPermitUri()).hasAuthority(sysPermit.getPermitTag()));

        urlRegistry.antMatchers("/permit/role/**").hasRole("supreme");

        urlRegistry
                .anyRequest().authenticated().and()
                .logout().logoutUrl("/auth/logout").logoutSuccessHandler(logoutSuccessHandler)
                .and()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and()
                .exceptionHandling().authenticationEntryPoint(new JWTAuthenticationEntryPoint())
                .accessDeniedHandler(new JWTAccessDeniedHandler());

        // 添加JWT filter
        httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);

        // 添加CORS filter
        httpSecurity.addFilterBefore(corsFilter, JWTAuthenticationTokenFilter.class);
        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);
    }

    @Bean
    public BCryptPasswordEncoder cryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userAuthService).passwordEncoder(cryptPasswordEncoder());
    }
}
